The longest word in the English dictionary. It is a type of pneumoconiosis, a lung disease that one can get from breathing microscopic volcanic ash. It was a word invented in the early 1900s specifically to be the longest word in the English Dictionary. Since then it has been published in various well-respected dictionaries.
Doctor: I am sorry to say that you have pneumanoultramicroscopicsilicovolcanoconiosis....

Patient: ....................... can you spell that for me?

Doctor: um..... P... N.... O...EGIUHAEIHPIUHERPIUHGPIUHEAPIGPWEYGBJROIUPQUYPHIAUHF
by ArtemisSilverArcher March 2, 2017
Get the pneumanoultramicroscopicsilicovolcanoconiosis mug.